Home / 28,736.38-43,083.10-19,826.29

Finding the Fourth Proportional to 28,736.38, 43,083.10 and 19,826.29

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Solution

The fourth proportional to 28,736.38, 43,083.10 and 19,826.29 is: 29,724.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,736.38 : 43,083.10 = 19,826.29 : x
  2. Step 2: Convert to fraction form
    28,736.38/43,083.10 = 19,826.29/x
  3. Step 3: Cross multiply
    28,736.38x = 43,083.10 × 19,826.29
  4. Step 4: Simplify right side
    28,736.38x = 854,177,877.43
  5. Step 5: Solve for x
    x = 854,177,877.43/28,736.38
  6. Step 6: Final answer
    x = 29,724.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.